- Hepatocyte nuclear factor 4 alpha
- Hepatocytes
- Hepatoduodenal ligament
- Hepatoerythropoietic porphyria
- Hepatogastric ligament
- Hepatojugular reflux
- Hepatokines
- Hepatolithiasis
- Hepatology
- Hepatomegaly
- Hepatoportoenterostomy
- Hepatoprotection
- Hepatorenal recess
- Hepatorenal syndrome
- Hepatosplenic T-cell lymphoma
- Hepatosplenomegaly
- Hepatotoxic
- Hepatotoxicity
- Hepatotoxin
- Hepcidin
- Hepeviridae
- Hephaestin
- Hepoxilin
- Heptachlor
- Heptad repeat
- Heptaminol
- Heptanal
- Herbacetin
- Herbal
- Herbal medicines
- Herbal remedy
- Herbicides
- Herd immunity
- Hereditary Disease Foundation
- Hereditary angioedema
- Hereditary breast-ovarian cancer syndrome
- Hereditary coproporphyria
- Hereditary diffuse gastric cancer
- Hereditary diseases
- Hereditary elliptocytosis
- Hereditary fructose intolerance
- Hereditary gingival fibromatosis
- Hereditary haemochromatosis
- Hereditary hemochromatosis
- Hereditary hemorrhagic telangiectasia
- Hereditary inclusion body myopathy
- Hereditary leiomyomatosis and renal cell cancer
- Hereditary motor and sensory neuropathies
- Hereditary motor and sensory neuropathy
- Hereditary multiple exostoses
- Hereditary neuralgic amyotrophy
- Hereditary neuropathy with liability to pressure palsies
- Hereditary neuropathy with liability to pressure palsy
- Hereditary pancreatitis
- Hereditary persistence of fetal hemoglobin
- Hereditary pyropoikilocytosis
- Hereditary sensory and autonomic neuropathies
- Hereditary sensory and autonomic neuropathy
- Hereditary spastic paraplegia
- Hereditary spherocytosis
- Heredity
- Herelleviridae
- Hericium erinaceus
- Hering-Breuer reflex
- Heritability
- Hermansky-Pudlak syndrome
- Hermaphrodites
- Hermaphroditism
- Hernia repair
- Hernias
- Herniated disc
- Hernioplasty
- Herniotomy
- Heroin
- Heroin addiction
- Heroin dependence
- Heroin overdose
- Heroin-assisted treatment
- Herpangina
- Herpes
- Herpes esophagitis
- Herpes genitalis
- Herpes gladiatorum
- Herpes labialis
- Herpes simplex
- Herpes simplex encephalitis
- Herpes simplex virus
- Herpes simplex virus 2
- Herpes simplex virus type 1
- Herpes virus
- Herpes zoster
- Herpes zoster ophthalmicus
- Herpes zoster oticus
- Herpesvirales
- Herpesviridae
- Herpesvirus entry mediator
- Herpetic gingivostomatitis
- Herpetic keratitis
- Herpetic keratoconjunctivitis
- Herpetic stomatitis
- Herpetic whitlow
- Hertwig's epithelial root sheath
- Herxheimer reaction
- Heschl's gyrus
- Hesperadin
- Hesperetin
- Hesperidin
- Hess test
- Hesselbach's triangle
- Hetacillin
- Hetastarch
- Heteroatoms
- Heterochromatin
- Heterochromatin protein 1
- Heterochromia
- Heterochromia iridum
- Heterochrony
- Heterocyclic amines
- Heterocysts
- Heterodimerization
- Heterodimers
- Heteroduplex
- Heteroduplex analysis
- Heterogametic sex
- Heterogeneity
- Heterogeneous catalysis
- Heterogeneous catalysts
- Heterogeneous condition
- Heterokaryons
- Heterologous
- Heterologous expression
- Heterolysis
- Heteromer
- Heteronuclear single quantum coherence
- Heterophile antibody
- Heterophile antibody test
- Heterophoria
- Heteroplasmy
- Heteroreceptor
- Heteroresistance
- Heterosis
- Heterosubtypic immunity
- Heterotaxy
- Heterotaxy syndrome
- Heterotetramer
- Heterotopia
- Heterotopic
- Heterotopic ossification
- Heterotopic pregnancy
- Heterotrimeric G proteins